| Toiyabea granitica | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Toiyabea |
| Species: | T. granitica |
| Binomial name | |
| Toiyabea granitica (Tiehm & L.M. Shultz) G.L. Nesom | |
| Synonyms | |
| |
Toiyabea granitica, common names granite serpentweed and Lone Mountain serpentweed, is a rare endemic plant species known only from the east side of Lone Mountain in Esmeralda County, Nevada, about 20 km (12.5 miles) west of Tonopah. It grows there in the crevices of granitic outcrops.
Toiyabea granitica is a perennial herb growing close to the ground and forming mats. Leaves are ovate to spatulate, irregularly toothed, up to 4 cm (1.6 inches) long. Flower heads are born in racemose or corymbiform arrays. There are no ray flowers, but up to 23 yellow disc flowers.
References
- "Toiyabea granitica (Tiehm & L.M.Shultz) G.L.Nesom". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 21 March 2024.
- "NatureServe Explorer". NatureServe Explorer Tonestus graniticus. NatureServe. 2022. Retrieved 22 May 2022.
- NRCS. "Tonestus graniticus". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 11 December 2015.
- "Nevada Natural Heritage Program". Heritage.nv.gov. 2011-12-19. Retrieved 2014-02-13.
- "Flora of North America v 20 p 184". Efloras.org. Retrieved 2014-02-13.
- "Reinstatement of Tonestus (Asteraceae: Astereae)". Phytologia. 68 (3): 174–180. 2013-05-30. Retrieved 2014-02-13.
- Tiehm, Arnold; Shultz, Leila M. (1985-04-01). "A New Haplopappus (Asteraceae: Astereae) from Nevada". Brittonia. 37 (2): 165–168. doi:10.2307/2806095. JSTOR 2806095. S2CID 84391260.
- Cronquist, A.J. 1994. Asterales. 5: 1–496. In A.J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermountain Flora. Hafner Publishing Co., New York.
| Taxon identifiers | |
|---|---|
| Toiyabea granitica | |
| Tonestus graniticus |
|
| Haplopappus graniticus | |